Amazon Linux AMI update for librsvg2

1) Path traversal

EUVDB-ID: #VU78756

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-38633

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the URL decoder. A remote attacker can pass specially crafted URL to the library and read arbitrary files on the system.

Mitigation

Update the affected packages:

aarch64:
    librsvg2-debuginfo-2.50.7-1.amzn2023.0.3.aarch64
    librsvg2-tools-debuginfo-2.50.7-1.amzn2023.0.3.aarch64
    librsvg2-tools-2.50.7-1.amzn2023.0.3.aarch64
    librsvg2-devel-2.50.7-1.amzn2023.0.3.aarch64
    librsvg2-2.50.7-1.amzn2023.0.3.aarch64
    librsvg2-debugsource-2.50.7-1.amzn2023.0.3.aarch64

src:
    librsvg2-2.50.7-1.amzn2023.0.3.src

x86_64:
    librsvg2-debuginfo-2.50.7-1.amzn2023.0.3.x86_64
    librsvg2-tools-debuginfo-2.50.7-1.amzn2023.0.3.x86_64
    librsvg2-devel-2.50.7-1.amzn2023.0.3.x86_64
    librsvg2-tools-2.50.7-1.amzn2023.0.3.x86_64
    librsvg2-2.50.7-1.amzn2023.0.3.x86_64
    librsvg2-debugsource-2.50.7-1.amzn2023.0.3.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

librsvg2: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:a:amazon_web_services:librsvg2:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-295.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.